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Found 10 results

  1. Unusual STH tooth

    Going through my recent find from Sharktooth Hill I came across this one that was very different from any others I've seen from there. Possible bramble shark? Not many options that look like this. Your thoughts on it are appreciated! Picture isn't the greatest, but I'm hoping it's distinctive enough.
  2. Sharktooth Hill Trip Report Part 1 – building the sifting table Hi everyone, After my first trip to Sharktooth Hill in June, I was hooked. I immediately started making plans to return and, this time I’d come better prepared. This forum has provided an amazing source of ideas and helpful people and inspired me to build a sifting table for my next trip to STH. A huge thanks to those who have helped me by answering questions, providing pictures and ideas, and helping me troubleshoot. I gathered as much info as I could and then tried to combine all the best ideas into one contraption to fit my needs. I’m excited to try this beast out next week! It’s big! The screen is 37.5” x 21” and the table stands about 4 feet tall but I will lower it if the height proves too high to load easily. I don’t want to sacrifice “wobbly-ness” though, because I’m hoping that’s going to do a lot of the sifting work for me. Plus, my son and I are 6’5” and 6’4” so a tall table should be ok. I used SCH 40 PVC and the 2 rectangular bases are glued while the 4 legs are removable to allow for compact storage/transport. In limited testing everything stayed together but I’ll bring some PVC glue with me in case I need to solidify it in the field. I'll also bring my PVC cutter for “disassembly” for the way home if need be. The bottom tier is ¼” mesh and has 6 “T” brackets to make sure it stays on top of the PVC frame. I bolted on a handle to allow it to be shaken one- or two-handed. There are no pointy parts on the inside (trying to avoid bleeding as much as I did on my last visit to STH). The top tier is ½” mesh and sits inside the bottom tier. Corner braces in the bottom tier (see above) allow the upper tier to sit low enough that it won’t dislodge but high enough that the contents can move freely across the bottom mesh. Initially I was disappointed that the large size and my inability to “tighten” that mesh caused it to sag noticeably once it was loaded up with soil. I remedied this with the addition of an adjustable bracket along the midpoint. But then when I put the top tier inside the bottom tier I realized I’d created a teeter-totter (doh!) and had to chisel out a groove on each side to allow it to fit in there. I’m very excited to go give it a try and I hope you all find this pre-trip report interesting. I’m happy to answer any questions and/or accept suggestions for improvement. And thanks again to all the helpful people on this forum whose previous pictures, design notes, and conversations encouraged me to attempt this (and make this post). I’ll send a follow up trip report after I get home. Cheers!
  3. Hello, I'm new to this but hoping to get more involved. I went to the world-famous Sharktooth Hill (Bakersfield CA) last week and it did not disappoint! I am now trying to ID the ~150 teeth we found but I'm not very good at it (yet?). I did a bunch of the easier ones and had some on-site help from more knowledgeable collectors that was great. Lots of unknowns still, though. If anyone could offer any tips for how to go about IDing these teeth, that would be awesome (ex. Carcharhinus spp. Vs Negaprion? Or Isurus/Carcharodon planus Vs hastalis?) I also suspect I have some Isurus oxyrinchus/desori but not sure how to distinguish them from the rest. So, please feel free to point out what you think any of the pictured teeth are, and/or what features I should look for to get better at this. I can send additional angles of anything that might be helpful, as needed. Thanks in advance!
  4. After posting ID questions on a couple of STH whale bones that were mostly unidentifiable, I decided I'd post images of the one whale fossil I have that seems like a slam dunk ulna (Aside from an easily ID'd ear bone.). It may be debatable as to which specific family category, but at least its location on the whale is pretty certain, right? Too bad it's a partial, but it's all I have. It looks a lot like one that is called Tiphyocetus temblorensis in an image from the California Academy of Sciences. Tiphyocetus Temblorensis Even the mottled coloring is similar. As I mentioned, this specimen is from Bakersfield, Shark Tooth Hill area specifically. While people may have seen a fair number of these, I thought it was cool enough to post an image or two of. And, people will be happy to know, I don't entertain any thoughts of its being part of a whale jaw. In fact, I'm over-jawed about having this one. Cheers.
  5. When I started going through the package of donated STH fossils we got this week, this little fossil jumped out at me. It is a cetacean ear bone and it looks similar to a photo I saw of an ear bone identified as Liolithax kernensis, a primitive long-snouted delphinoid. I believe it is a fairly common find in STH. I can not be sure with the limited knowledge I have but it did look very similar. The more information I can get, the more information I can pass on to the kids so any opinions are welcome.
  6. Hello, found this tooth in the Round Mountain Silt formation in Bakersfield this weekend. The tooth had serrations, but they are worn down. At first I thought the tooth was a small meg, or a large hemi. Upon closer inspection it does not seem to fit either of those species well. The root is not consistent with that of a meg nor a hemi. Now I am thinking it could be some kind of Requiem shark. What do you guys think?
  7. Tiny Meg or wishful thinking?

    Hi everyone, I was going through some tiny teeth from a recent trip to Ernst quarries (Bakersfield; round mountain silt; ~ 15 mya) and came across this intriguing little tooth. It is ~11 mm and serrated on both sides. Is this a tiny meg or just wishful thinking?
  8. Bakersfield Fish Teeth?

    Hi Everybody, I found this interesting little piece the other day. It is from the round mountain silt formation in Bakersfield CA. I think it is part of a fish mouth but I am not sure, I cant believe I found such a small piece in all the silt. Sorry for the lack of scale, its about the size of half a dime. I thought I would let the experts weigh in and help educate me. Thanks for the help! Jesse
  9. Psephophorus Californiensis Carapace Plates

    From the album Sharktooth Hill

    Family Dermochelyidae (leatherback turtles) Psephophorus californiensis Carapace Plates. The Upper shell (or carapace) are characteristically comprised of bony segments that interlock like a jig-saw puzzle. Miocene Leatherback Turtles attained lengths of 12 feet or more. The carapace were composed of 100 or more of these plates.
  10. RayTeeth

    From the album Sharktooth Hill

    Ray Dental fragments.....Slow Curve...Ernst Quarries.
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